đŸ”¶ LETSHUOER Z12 (Z Collab)

I run them off an ifi micro iDSD signature and it sounds great.

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In my experience IEMs only start sounding like headphones when you reach the higher end. My Kinera Nanna 2.0 sound almost identical to a headphone with the upsides of an iem. That being said the advantages/qualities of an iem are something I enjoy as a contrast to headphones/speakers.

I treat IEMs as supplementary to headphones or speakers. I can take any pair of IEMs w/ true wireless adapters or a btr5 anywhere and get an unparalleled experience. I think the Z12 is the best you can get for under 300+ right now. They’re incredibly impressive imo.

I tend towards being a detail whore so I enjoy IEMs and Stax, whereas I feel bassheads will be most satisfied by Argon’s (love my T60 Argon’s tho) or similar basscentric headphones/speakers.

Also yeah find a tip that works/sounds best to you is important, especially for bass response.

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Headphonesty review of the Z12.

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Greetings Folks,

this is my first post and i signed up because i couldn’t find a definitive answer to my question.
i ordered my pair of z12 yesterday from hifigo, hopefully everything will be all right with the shipping to my part of the world.

what i am wondering about
 specs page on hifigo and most reviews state a Frequency response range of 20Hz-20kHz.
However the marketing material state 20Hz-30kHz and also a sensitivity of 102 dB/mW

which one is true, as technically the Hi-Res certification that they carry on the box would require a higher than 20-20k range, or am i completely off track here ?

it would be great if some could give me some insight.

many thanks in advance.

So, technically (as far as I know) any headphone/speaker that will make ANY amount of SPL up to 40kHz (usually with no actual spec like +/- 3db) will be suitable for the “Hi-Res” certification. It is, however, kind of a pointless certification IMO for two very specific reasons:

  1. Human hearing range only extends from 20Hz to ~20kHz, at its optimal peak (ie time, age and general loud things will reduce that top end over time, so even 20-20kHz is VERY optimistic for the average person
  2. Unless you’re running very specific files/formats or 100% analog, there is a very strong chance that somewhere in your source chain you are only running up to 44.1 or 48 hz, so you will never product anything over 24kHz for your headphone/speaker to play anyway.
    What we DO know is that the Z12 (like the S12 before it) has excellent top-end extension in the post-10kHz range, so I wouldn’t worry about it much.
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many thanks for taking the time to answer my question, as source i am using the m11 plus ess + a5 amp for my larger headphones (dt 880, he400i), iems (fh7/pinnacle p1) run direct with balanced cable , files from regular 16 bit 44100k up to 32 bit 192 and dsd.
i am just confused about the non conclusive info about those iems and if i am potentially missing out on something, classical FoMO 


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My short article covering the Z12 is published now for those interested: TechPowerUp

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I don’t think these will get cheaper than this, Atleast this year. Collected from Reddit.

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10 days shipping and i am holding my pair of z12, could have waited for the sale to start 
 missed by 3 days but those 20 bucks are worth it having them sooner :smiley:

they are lighter than expected, sound is to be evaluated but first impression is good

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Hi Brother, Can you please tell me what is that USB-C to Lightning adapter? where did you buy it? any brand name or something? TIA :smiley:

This is what I grabbed
for my iPhone, I really like it quite a bit.

How’s it for metal music?